162445404 has 72 divisors (see below), whose sum is σ = 441204624. Its totient is φ = 46323200.

The previous prime is 162445397. The next prime is 162445417. The reversal of 162445404 is 404544261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21394 + ... + 27974.

It is an arithmetic number, because the mean of its divisors is an integer number (6127842).

Almost surely, 2^162445404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162445404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220602312).

162445404 is an abundant number, since it is smaller than the sum of its proper divisors (278759220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162445404 is a wasteful number, since it uses less digits than its factorization.

162445404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 162445404 is about 12745.4071727819. The cubic root of 162445404 is about 545.6353211611.

Adding to 162445404 its reverse (404544261), we get a palindrome (566989665).

The spelling of 162445404 in words is "one hundred sixty-two million, four hundred forty-five thousand, four hundred four".